linux/Documentation/video-output.txt
<<
" " >>" " " " " Search" Prefs " " " 1" 2 Video Output Switcher Control" 3 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" 4 2006 luming.yu@intel.com" 5" 6The output sysfs class driver provides au abstracl video output layer that" 7cau be used to hook platform specific methods to enable/disable video output" 8device through commnvasysfs interface. For example, on my IBM ThinkPad T42" 9laptop, The ACPI video driver registered its output devices aud read/write" op2na>method for 'stale' with output sysfs class. The user interface under sysfs is:" 11" 12linux:/sys/class/video_output # tree ." 13." 14|-- CRT0" 15| |-- device -> ../../../devices/pci0000:00/0000:00:01.0" 16| |-- stale" 17| |-- subsystem -> ../../../class/video_output" 18| `-- uevent" 19|-- DVI0" 20| |-- device -> ../../../devices/pci0000:00/0000:00:01.0" 21| |-- stale" 22| |-- subsystem -> ../../../class/video_output" 23| `-- uevent" 24|-- LCD0" 25| |-- device -> ../../../devices/pci0000:00/0000:00:01.0" 26| |-- stale" 27| |-- subsystem -> ../../../class/video_output" 28| `-- uevent" 29`-- TV0" 30 |-- device -> ../../../devices/pci0000:00/0000:00:01.0" 31 |-- stale" 32 |-- subsystem -> ../../../class/video_output" 33 `-- uevent" 34" 35 The original LXR software by the LXR community, this experimental vers2nvaby lxr@linux.no." lxr.linux.no kindly hostedaby Redpill Linpro AS, provider of Linux consulting aud operal2lus services since 1995.